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XCC: An X-ray FEL-based $\gamma\gamma$ Collider Higgs Factory

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arxiv 2203.08484 v2 pith:NX6SP7BA submitted 2022-03-16 hep-ex hep-phphysics.acc-ph

Tim Barklow (1) , Su Dong (1) , Claudio Emma (1) , Joseph Duris (1) , Zhirong Huang (1) , Adham Naji (1) , Emilio Nanni (1) , James Rosenzweig (2)
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Anne Sakdinawat (1) Sami Tantawi (1) Glen White (1) ((1) SLAC Linear Accelerator Center Stanford Menlo Park CA (2) Particle Beam Physics Laboratory University of California Los Angeles CA)
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classification hep-exhep-phphysics.acc-ph
keywords higgsgammabeamselectronx-rayacceleratordesignenergy
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abstract

This report describes the design of a $\gamma\gamma$ Higgs factory in which 62.8 GeV electron beams collide with 1 keV X-ray free electron laser (XFEL) beams to produce colliding beams of 62.5 GeV photons. The Higgs boson production rate is 34,000 Higgs bosons per $10^7$ second year, roughly the same as the ILC Higgs rate. The electron accelerator is based on cold copper distributed coupling (C$^3$) accelerator technology. The 0.7 J pulse energy of the XFEL represents a 300-fold increase over the pulse energy of current soft x-ray FEL's. Design challenges are discussed, along with the R\&D to address them, including demonstrators.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Anomalous pinch in electron-electron beam collision

    physics.plasm-ph 2024-12 reject novelty 5.0 of 10

    SF-QED pair production can invert the Lorentz force between identical-charge beams, causing them to pinch and enhancing collision luminosity.

  2. Proceedings of the Erice Workshop: A new baseline for the hybrid, asymmetric, linear Higgs factory HALHF

    physics.acc-ph 2025-01 conditional novelty 4.0 of 10

    A new HALHF baseline with separate drive-beam and positron linacs, 48 plasma stages at 1 GV/m, and dual interaction points would provide 250 GeV collisions at 1.2e34 cm^-2 s^-1 luminosity over about 4.9 km.

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